Viant Technology Inc.
Viant Technology Inc. (DSP) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · DSP · as of Sep 30, 2025
Ownership Breakdown
114
Institutional Holders
▲ 6 vs Q2
$83.56M
Total Inst. Value
▼ $58.13M vs Q2
65.62M
Shares Outstanding
freeFloat 81.56%
9.66M
13F Shares Held
▼ 1.05M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
DSP largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. services-computer programming, data processing, etc. | 1.20M | 7.50% | 7.50% | $10.35B | Nov 14, 2025 | ▲ 44.4K |
BLACKROCK, INC. services-computer programming, data processing, etc. | 1.10M | 6.86% | 6.86% | $9.47B | Nov 12, 2025 | ▼ 19.9K |
VANGUARD GROUP INC services-computer programming, data processing, etc. | 939.9K | 5.88% | 5.88% | $8.11B | Nov 7, 2025 | ▼ 129.2K |
WHETSTONE CAPITAL ADVISORS, LLC services-computer programming, data processing, etc. | 585.6K | 3.66% | 3.66% | $5.05B | Nov 14, 2025 | ▲ 202.7K |
ROYCE & ASSOCIATES LP services-computer programming, data processing, etc. | 529.4K | 3.31% | 3.31% | $4.57B | Nov 12, 2025 | ▼ 55.9K |
RENAISSANCE TECHNOLOGIES LLC services-computer programming, data processing, etc. | 481.1K | 3.01% | 3.01% | $4.15B | Nov 13, 2025 | ▲ 146.4K |
GEODE CAPITAL MANAGEMENT, LLC services-computer programming, data processing, etc. | 350.3K | 2.19% | 2.19% | $3.02B | Nov 12, 2025 | ▼ 30.3K |
STATE STREET CORP services-computer programming, data processing, etc. | 306.6K | 1.92% | 1.92% | $2.65B | Nov 14, 2025 | ▼ 1.9K |
TOPLINE CAPITAL MANAGEMENT, LLC services-computer programming, data processing, etc. | 249.1K | 1.56% | 1.56% | $2.15B | Nov 14, 2025 | NEW |
JANE STREET GROUP, LLC services-computer programming, data processing, etc. | 235.3K | 1.47% | 1.47% | $2.03B | Nov 14, 2025 | ▲ 212.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
30
Increased
+1.64M shares6
New Positions
first time holders14
Decreased
−1.00M shares0
Sold Out
fully exitedNet shares change (top 50)
+635.9K
+1.64M / −1.00M
Net new holders
+22
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
DSP insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
9
Buy transactions
39
Sell transactions
0.23
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Yang Vivian director | Jun 4, 2026 | Award | 15,948 | — | — | 109.9K | Form 4 ↗ |
Wilson Brett director | Jun 4, 2026 | Award | 15,948 | — | — | 51.9K | Form 4 ↗ |
VALDES MAX O director | Jun 4, 2026 | Award | 15,948 | — | — | 37.5K | Form 4 ↗ |
Vanderhook Christopher Chief Operating Officer | May 19, 2026 | D-Return | 12,500 | — | — | 9.09M | Form 4 ↗ |
Vanderhook Christopher Chief Operating Officer | May 19, 2026 | Sale | 5,000 | $10.89 | $54.4K | 7.5K | Form 4 ↗ |
Vanderhook Christopher Chief Operating Officer | May 20, 2026 | Sale | 5,000 | $10.60 | $53.0K | 2.5K | Form 4 ↗ |
Vanderhook Christopher Chief Operating Officer | May 21, 2026 | Sale | 2,500 | $10.79 | $27.0K | 0 | Form 4 ↗ |
Vanderhook Timothy CEO and Chairman | May 19, 2026 | D-Return | 12,500 | — | — | 9.09M | Form 4 ↗ |
Vanderhook Timothy CEO and Chairman | May 19, 2026 | Sale | 5,000 | $10.89 | $54.4K | 7.5K | Form 4 ↗ |
Vanderhook Timothy CEO and Chairman | May 20, 2026 | Sale | 5,000 | $10.60 | $53.0K | 2.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Viant Technology Inc. (DSP) is primarily owned by institutional investors, who hold approximately 14.7% of total shares outstanding. Company insiders own approximately 18.44%, while retail and public investors account for the remaining 66.83%.
The largest institutional shareholder of Viant Technology Inc. is PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC., holding approximately 1.20 million shares — equal to 7.50% of outstanding shares — as of September 30, 2025.
A total of 114 institutional investors currently hold DSP stock, with a combined institutional value of approximately $83,564,071 as of the most recent 13F filing period.
Frequently asked questions
DSP ownershipViant Technology Inc. (DSP) is primarily owned by institutional investors, who hold approximately 14.7% of shares. The largest shareholder is PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. with a 7.50% stake. Company insiders hold 18.44%. Data sourced from SEC Form 13F as of September 30, 2025.